Alejandro Rivas Cottle is a Bolivian composer, producer and sound engineer based in Brussels.
Rivas studied orchestral conducting and composition in La Paz and music production at the KASK Gent.
Since 2011, Rivas has been composing music for film, including for the documentary ‘El Color del Camaleon’ (Belgium 2017), and more recently for the feature film ‘El Ultimo Blues del Croata’ (Bolivia – nominated for Best Soundtrack at the Premios Platino 2026), the documentary ‘Imilla Skate’ (USA/Bolivia – nominated for an Emmy Award 2026 – Sports Documentary) and “Papa is (g)een Boef” (Belgium – collaboration with VAF, VRT, Ketnet, 2026).
Alejandro has been working as a location sound recordist and sound designer since 2020 on projects including ‘A las escondidas’ (Belgium 2025) and “Why do I see you in Everything" (Belgium 2025 – selection IFFR Rotterdam 2026).